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This article mainly introduces "how php converts json data into utf8". In daily operation, I believe many people have doubts about how php converts json data into utf8. Xiaobian consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "php how to convert json data into utf8". Next, please follow the editor to study!

Php converts json data into utf8: 1, create a PHP sample file; 2, save the json array as utf8 through "json_encode ($xm_json,JSON_UNESCAPED_UNICODE);"

This article operating environment: windows7 system, PHP7.1 version, DELL G3 computer

How does php convert json data into utf8?

Php json is saved as utf8

Json_encode ($xm_json,JSON_UNESCAPED_UNICODE); / / Save the json array as utf8

The json saved by php json_encode is utf8

Json_encode

(PHP 5 > = 5.2.0, PHP 7, PHP 8, PECL json > = 1.2.0)

Json_encode-JSON encoding of variables

Description

Json_encode (mixed $value, int $options = 0, int $depth = 512): string | false

Returns a string containing the JSON representation of the value value.

The encoding is affected by the passed-in options parameters, and the encoding of floating-point values depends on serialize_precision.

Parameters.

Value

The value to be encoded can be any data type except the resource type.

All string data must be encoded as UTF-8.

Note:

PHP implements a superset of JSON, refer to »RFC 7159.

Options

A binary mask consisting of the following constants: JSON_FORCE_OBJECT, JSON_HEX_QUOT, JSON_HEX_TAG, JSON_HEX_AMP, JSON_HEX_APOS, JSON_INVALID_UTF8_IGNORE, JSON_INVALID_UTF8_SUBSTITUTE, JSON_NUMERIC_CHECK, JSON_PARTIAL_OUTPUT_ON_ERROR, JSON_PRESERVE_ZERO_FRACTION, JSON_PRETTY_PRINT, JSON_UNESCAPED_LINE_TERMINATORS, JSON_UNESCAPED_SLASHES, JSON_UNESCAPED_UNICODE, JSON_THROW_ON_ERROR. For more information about JSON constants, please see the JSON constants page.

Depth

Sets the maximum depth. Must be greater than 0.

Return value

Returns JSON-encoded string on success or false on failure.

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